Amplifier



FIG. 1 is a perspective view of an amplifier showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a perspective view thereof, wherein the lid portion is in theopen position; the broken line showing of the inside of the amplifierlid is for illustrative purposes only and forms no part of the claimeddesign.

The ornamental design for an amplifier, as shown and described.